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Pin Configurable/Selectable Oscillators

Pin configurable/selectable oscillators are special type of oscillators that provide a selection of frequency outputs through a limited number of input pins. The specific type of oscillator covered here is the 552CD000132DG. The 552CD000132DG, referred to as the DG, is an extremely versatile component featuring two output frequencies with two input frequencies, making it a popular choice among engineers. The DG utilizes two independent frequency dividers, 12-bit and 8-bit, to generate two output frequencies that are concurrently selectable. The third frequency divides the 12-bit divider periods.

Application Field

Pin configurable/selectable oscillators are highly valued for their small size, low power, and versatility. This makes them ideal for applications in the automotive, military, and aerospace industries. As these industries often require complex systems in a small, lightweight footprint, pin configurable/selectable oscillators can help simplify the design process and provide a reliable, low power solution. Since they can be tailored to customer requirements and offer features such as multiple clock sources and reduced differential phase jitter, they are also becoming more popular in consumer electronics. Notebook PCs, digital cameras, HDTVs, and wearable devices are all increasing their use of pin configurable/selectable oscillators.

Working Principle

The 552CD000132DG is a highly versatile component. It has two frequency dividers, a 12-bit and an 8-bit, to provide two output frequencies from two input frequencies. Each output frequency is independently adjustable and the third output frequency is the result of dividing the 12-bit divider period. In addition, the outputs can be independently adjusted for phase control, allowing for synchronization with external systems without the need for additional components.

The 552CD000132DG also offers several unique features, such as a built-in power down mode and an output enable control, which can be used to reduce power consumption. The power down mode allows the outputs to be disabled while a single power supply is still maintained. Additionally, two internal resistors can be used to control the output impedance and swing level. These features make the 552CD000132DG resistant to noise and EMI sensitive applications, as well as help to manage power consumption in battery-powered devices.

The 552CD000132DG can be used in a wide range of applications, from high-speed network and telecom systems to automotive and military applications. Its small form factor and high performance makes it an ideal choice for systems in restricted spaces, tight budgets, and with strict power requirements. The 552CD000132DG is extremely versatile, highly reliable, and provides a low cost solution for a wide range of frequency and clock timing requirements.

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